The optical converter allows you to transform a light signal from fiber optic patch cord into an electrical signal for RJ45 patch cords using a SFP module. This model is PoE, so it allows you to power a device that receives power by PoE directly. SFP module not included! Specifications: - The RJ45 port supports speeds of 10/100/1000Mbytes - The Optical port Supports speeds of 1000Mbytes - Supports 9K byte frames - Supports independent LFP functions - Power supply: 52V / 1A - Ambient temperature: -20 to 70 C - Size: 26x70x94mm Includes power supply.